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Finding the Fourth Proportional to 225,903.52, 338,857.71 and 68,133.34

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Solution

The fourth proportional to 225,903.52, 338,857.71 and 68,133.34 is: 102,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,903.52 : 338,857.71 = 68,133.34 : x
  2. Step 2: Convert to fraction form
    225,903.52/338,857.71 = 68,133.34/x
  3. Step 3: Cross multiply
    225,903.52x = 338,857.71 × 68,133.34
  4. Step 4: Simplify right side
    225,903.52x = 23,087,507,567.05
  5. Step 5: Solve for x
    x = 23,087,507,567.05/225,903.52
  6. Step 6: Final answer
    x = 102,200.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.